What is the meaning of Infusion?

A product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.

The act of steeping or soaking a substance in liquid so as to extract medicinal or herbal qualities.

The act of installing a quality into a person.

The act of dipping into a fluid.

The administration of liquid substances directly into a vein for medical purposes; perfusion.

infusion (liquid product which has had other ingredients steeped in it to extract useful qualities)

Source: wiktionary.org